Announcing 30 levels of new Doom content for Doom 3, with a classic monsters update to follow. There will be 2 level pack releases of 15 each, all new levels. There will be new models in a model pack that are being updated with better textures right now. Models in pic shown. The pacing is faster than what is available, with different adjustments to the enemies and their placement.
The models can be viewed here:
Additional version of Imp model
There is a screenshot from one of the levels here:
hidden version that would be in arcade machine in the levels depending on how things go